Side effects of a mixture of essential oils on Psyttalia concolor

Integrated Pest Management programs do not always prioritize natural enemies when selecting control methods; too often these important pest reducing agents are negatively affected by the action of other methods in agroecosystems. The aim of this research was to evaluate side effects of a bioinsectic...

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Veröffentlicht in:Ecotoxicology (London, England). - 1992. - 29(2020), 9 vom: 27. Nov., Seite 1358-1367
1. Verfasser: Alves, Thiago J S (VerfasserIn)
Weitere Verfasser: Murcia-Meseguer, Ana, Azpiazu, Celeste, Wanumen, Andrea, Wanderley-Teixeira, Valéria, Teixeira, Álvaro A C, Ortiz, Antonio, Medina, Pilar
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Ecotoxicology (London, England)
Schlagworte:Journal Article Botanical insecticides Braconidae Ceratitis capitata Parasitism rate Parasitoid-bioinsecticide interaction Physiological selectivity Oils, Volatile
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245 1 0 |a Side effects of a mixture of essential oils on Psyttalia concolor 
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520 |a Integrated Pest Management programs do not always prioritize natural enemies when selecting control methods; too often these important pest reducing agents are negatively affected by the action of other methods in agroecosystems. The aim of this research was to evaluate side effects of a bioinsecticide, developed from the mixture of cedar (Cedrus atlantica), eucalyptus (Corymbia citriodora) and lemon grass (Cymbopogon citratus) essential oils (EOs), in a ratio of 1:1:1, on Psyttalia concolor (Szèpligeti) (Hymenoptera: Braconidae) which is a parasitoid of some pests of the Tephritidae family, as Ceratitis capitata. The LD50 of the EOs mixture for C. capitata females was 3.09 µl/g, whereas the LD50 for P. concolor females was 20.45 µl/g which suggests the natural enemy is more tolerant to the EOs mixture. P. concolor parasitized L3 larvae of C. capitata through a voile treated with the mixture of EOs at 1.8% without causing any deleterious effects neither on the percentage of attacked hosts nor on the emergence rate, whereas at the highest concentration tested, 4.8%, decreased both parameters during the 2 first days after treatment. Semi-field assays showed that mixture of EOs was harmless to P. concolor when released 4 h after treatment whereas killed 55 ± 3.9% males and 37.5 ± 1.6% females of C. capitata. The mixture of EOs used jointly with lambda-cyhalothrin or kaolin, both compounds applied against C. capitata in conventional and organic farming, respectively, did not increase the toxicity and/or persistence against the pest 
650 4 |a Journal Article 
650 4 |a Botanical insecticides 
650 4 |a Braconidae 
650 4 |a Ceratitis capitata 
650 4 |a Parasitism rate 
650 4 |a Parasitoid-bioinsecticide interaction 
650 4 |a Physiological selectivity 
650 7 |a Oils, Volatile  |2 NLM 
700 1 |a Murcia-Meseguer, Ana  |e verfasserin  |4 aut 
700 1 |a Azpiazu, Celeste  |e verfasserin  |4 aut 
700 1 |a Wanumen, Andrea  |e verfasserin  |4 aut 
700 1 |a Wanderley-Teixeira, Valéria  |e verfasserin  |4 aut 
700 1 |a Teixeira, Álvaro A C  |e verfasserin  |4 aut 
700 1 |a Ortiz, Antonio  |e verfasserin  |4 aut 
700 1 |a Medina, Pilar  |e verfasserin  |4 aut 
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773 1 8 |g volume:29  |g year:2020  |g number:9  |g day:27  |g month:11  |g pages:1358-1367 
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